HP dc72 Client manual Installing an Optical Drive into the 5.25-inch Drive Bay

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10.Press the green drive retainer latch (1) located on the side of the drive to disengage the drive from the drive cage. While pressing the drive retainer latch, slide the drive forward and lift it up and out of the drive cage (2).

Figure 2-17Removing the Optical Drive

NOTE To replace the optical drive, reverse the removal procedure. When replacing a drive, transfer the four guide screws from the old drive to the new one.

Installing an Optical Drive into the 5.25-inch Drive Bay

To install an optional 5.25-inch optical drive:

1.Remove/disengage any security devices that prohibit opening the computer.

2.Remove all removable media, such as diskettes or compact discs, from the computer.

3.Turn off the computer properly through the operating system, then turn off any external devices.

4.Disconnect the power cord from the power outlet and disconnect any external devices.

CAUTION Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer.

5.If the computer is on a stand, remove the computer from the stand.

6.Remove the computer cover.

CAUTION After removing the computer cover, look for the LED on the system board between the DIMM sockets. If the LED is illuminated, the system still has power. Turn off the computer and remove the power cord before proceeding.

28 Chapter 2 Hardware Upgrades

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Contents HP Compaq Business PC Hardware Reference Guide About This Book About This Book Table of contents Appendix D Electrostatic Discharge Product Features Standard Configuration FeaturesDrive configuration may vary by model Front Panel ComponentsMedia Card Reader Components 2Media Card Reader ComponentsRear Panel Components 3Rear Panel ComponentsKeyboard 4Keyboard ComponentsUsing the Windows Logo Key Special Mouse Functions Serial Number LocationEnww Hardware Upgrades Serviceability FeaturesUsing the Small Form Factor Computer in a Tower Orientation Unlocking the Smart Cover Lock Smart Cover FailSafe KeyEnww Removing the Computer Cover 3Removing the Computer Cover4Replacing the Computer Cover Hardware Upgrades Replacing the Computer CoverDIMMs Installing Additional MemoryDDR2-SDRAM DIMMs Populating Dimm Sockets Description Socket ColorInstalling DIMMs Enww Removing or Installing an Expansion Card DescriptionEnww 9Removing an Expansion Slot Cover Enww Enww Drive Positions 13Drive PositionsInstalling and Removing Drives 14Rotating the Drive Cage Up Hardware Upgrades Removing an Optical Drive16Rotating the Drive Cage Down Installing an Optical Drive into the 5.25-inch Drive Bay 17Removing the Optical Drive19Installing the Optical Drive 21Connecting the Power and Data Cables Hardware Upgrades Removing an External 3.5-inch Drive Enww Enww Installing a Drive into the 3.5-inch External Drive Bay Enww Enww Enww 32Removing the Security Clip Hardware Upgrades 34Disconnecting the Hard Drive Power Cable and Data Cable Enww Specifications Desktop DimensionsAppendix a Specifications Battery Replacement Type Figure B-2Removing and Replacing a Coin Cell Battery Type Enww External Security Devices Installing a Security LockCable Lock Padlock Preventing Electrostatic Damage Electrostatic DischargeGrounding Methods Appendix D Electrostatic Discharge Computer Operating Guidelines and Routine Care Safety Optical Drive PrecautionsCleaning Shipping PreparationIndex Enww